• Furnished with an 8" vented lid.• Tank includes one 1-1/4" FPT Polypropylene Bulkhead drain fitting with EPDM gasket as standard. Consult with our customer service on other fitting sizes, locations, materials and gaskets.• Top surface of tank features two raised ribs with wide flat surfaces for mounting additional fittings.• Norwesco Vertical Storage Tanks are manufactured using Polyethylene resins that meet FDA specifications to ensure safe storage of potable water, and where applicable, tanks are also NSF approved.• Standard color is white.• Tank is designed for containment of chemicals with a specific gravity of 1.5 or lower. Contact customer service regarding weights for high specific gravities.• Tank is translucent for level viewing and side wall of tank includes gallon indicators.